Lever-hinge.



A. A.' NELSON.

LEVER HINGE.

APPLICAIION FILED ocT. z. 1914.

1,1 61,786. Patented Nov. 23, l1915.

coLuMnM PLANUGRAPM C04. WASHINGTON. D, c,

tnvrrnn Leven-rimani.

To all whom t may concern.'

Be it known that I, ALFRED A. NELSON, a

citizen of the United States, and resident of Atlantic, in the county of Cass and State of Iowa, have invented a new and useful Lever- I-Iinge, of which the following is a specifi- .cation The object of my invention is to provide a hinge adapted to be attached to an ordinary harrow lever and to be quickly andy easily secured 'to a harrow, for tilting the harrow teeth to any desirable position.

A further object is v'to provide such aV hinge,whereby the lever maybe readily and easily folded down to. position where Athe main portion of the lever will extend a short distance only above the harrow, thereby per-V mitting the harrow` sections tolbe placed one above the other without interference .from the levers.

' Still a further object is to provide such a hinge for use with a lever with'a sector and a pawl for engaging said sector, and means for controlling vsaid pawl from the tree end of the lever, said means being so constructed permit the collapsing or-v and arranged as to folding oi the lever.

My invention consists in certain details in the construction, combination and arrangement ot the various parts of the device, whereby the objects contemplated are attained, as `hereinafter more fully set forth, pointed out in my claims and illustrated in the accompanying drawings, in which:

Figure 1 shows a side elevation of a hinge embodying my invention. Fig. 2 shows an end elevation of the same. Fig. 3 shows a perspective view of a portion fof a harrowvv section equipped with a hingev embodying my invention, the lever being shown in its folded position. n Y

In the accompanying drawings I have used the reference numeral 10 to indicate generally the fore and aft frame members of the harrow section. VIotatably mounted on the members l0 are transverse members l1, in which are mounted the harrow teeth 12.

The members 10 may be connected by braces 13. Placed above the members 10 and Vl1 is a. fore and aftmember 14:, pivoted towhich are downwardly ,extending members 15, which are fixed at their lower ends to the respective members 11. p. I

It will be seen that by moving the member 1st longitudinally the members ll may be fFiXed to one of the members lOisa 'sector 177which alsoy stands adjacent tothe member 111.V Pivoted at its lower end to one of the membersl() is an upright lever 18,

erstens earner naar@ ...ALFRED A. NELSON, or ATLANTIC,ioway Specification of Letters Patent. l Pajnlgd Nov. 23, 1915 f Application filed october 7, iam. serial No. `2365.589.

which may be of ordinary construction. f It Y is my purpose-to make an attachment which can be readily attached to such a lever. The lever' is cut in two parts near its lower portion, and in the drawings the upper .partl of the lever is indicated Vby the reference numeral 22, l Y

My improved attachment comprisesl a bracket 19 having a pair of valined bearings 2O formed thereon. j Formed on end `of the bracket 19 is a bearing the bearing 21 is anarm 22,?havin`g bifur`A cated arms' 23a at its lower ends yin whicharealined openings adapted to receive a short?.

the upper 21. `vAbove shaft 2% inserted through said openings and through the bearing 2l.'A The arm 22 is bolt# ed to the arm 23.

By means of the hinge device described,

fao

the arm 22 is pivotally mounted on'the arm 18 so that saiol lever may be folded down toward the harrow section. f

Slidably mounted in the bearings 2Ov is a rod 16, the lower end of which is adapted to engage the teeth ofthe sector 17. A coil" spring 20a is mounted kon the rod 16 between vthe bearings 20, and is secured at its lower endfto the rod 16 and is adapted to hold the rod 16 in its lowered position with the lower end of said rod 164 received between two of the teeth ofthe sector 17, as shown in Fi g. 1.

Near the upper end of the lever arm 22 is the ordinary arm 25, having a right angled extension 26, shown by dotted lines inFig. 1, and pivoted to said arm 22. Secured to the upper end of the rodv23 is a flexible rod` or chain 27, vrwhich is secured at its upper end to the arm 25.

It will be understood that under ordinary conditions a plurality of harrow sections isi used at once. It is desirable, in many cases, to fold the sections over each other in order to drag the harrow through a gate orinto armachine shed or the like. It is also desirable that the harrow sections be capable of being piled in tiers for winter storage. Such vfolding or piling is diliicult or impossible toV Giriy k2 f ,l f 1,161,786

devised my improved feidieg levee hinge,

used may be piled on a wagon for transpor-l tation Aand easily loaded whereas sections e .equipped .with ordinary levers cannot be thus loaded without great dificulty. r Harrow sections equipped, with my hinge f canbe hung on ainachine shedrwall with HO Peris PIOJeQtmf-I elly considerable dlse `tance into the room. .Y o*

ln the actual use of the lever, equipped with my improved hinge, the lever normally restsin its lowered position, ras shown in Fig. 3, When it is desired, however, to tilt the teeth 12;, the lever arm 22 is` raised, and` by drawing themember toward theA handle 22l the bolt or rod 16 maybe withdrawn from engagement with the teeth of the sectoil 17, and the `lever operated to move the member li longitudinally.l `The useof such.

a` lever does away with the projecting arm of i the ordinary shifting or tilting lever.

it. will be noted that the upperlever arm `is pivoted tothe bracket to permit a swinging movementk in a direction at right angles to the line ofniovement .of the lever during its operation vor' the member 14e, yet,y the .ferm

and construction of the hingeis such as to.l make thelever rigid when used for shifting, the member l5.'

1 My improved hinge is designed to be used as an attachment. e i f It willbe understood that-some changes lmay be made in the details of the Construction of -my lever, without departing' lfrom its essential features, and itis my intent to cover'by this application anysuch changes which may be included within the scope .of my claims.V e 'e -v scribed bearings, a-leverearm pivoted to said upper lever member, and a ieXible device connecting said pawl kand said lever arm, adapted when the levergmembers are' Vmoved to alined position to draw said pau'l in one direction when said lever arm is drawn toward the upper lever member.

' 2. A lever comprising an upper member, havingr at one end-.a handleqand atV the other end a bracket formed with ralined bearings, aibell 'crank levery pivoted to said upper lever member adjacent to the handle thereon, a second lever member having formedl at one end a bearing received betweengsaid rst bearings, a pin in said bearings, said second member having thereon alined bearings, a pawl or boltl slidably inonntled in said ,-layst bearings, `yielding means tending to move: said bolt away from the pivotal point of the two lever members, a flexiblef device secured to said bolt and to of said bellv crank lever isl drawn4 toward saidghandle, toqmeove said pawl or bolt against; the pressuij'e of said spv-ring.

ALFRED A. NELSON.

Witnesses:

A. SHERMAN, JULIA Msn-ER.

Copies of this patent may be obtainedefor five cents each, by addressing the Commissioner of Jateiits` Washington, D. C. d

lever 

